[INFO] fetching crate reax 0.2.0...
[INFO] testing reax-0.2.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate reax 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate reax 0.2.0
[INFO] finished tweaking crates.io crate reax 0.2.0
[INFO] tweaked toml for crates.io crate reax 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reax 0.2.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reax 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb2a3326910e1a334b6a99de8c5932108a4f2a2f743e0624c4549af551d973da
[INFO] running `Command { std: "docker" "start" "-a" "eb2a3326910e1a334b6a99de8c5932108a4f2a2f743e0624c4549af551d973da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2a3326910e1a334b6a99de8c5932108a4f2a2f743e0624c4549af551d973da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2a3326910e1a334b6a99de8c5932108a4f2a2f743e0624c4549af551d973da", kill_on_drop: false }`
[INFO] [stdout] eb2a3326910e1a334b6a99de8c5932108a4f2a2f743e0624c4549af551d973da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f0e571078d0ffa1f0c4eca14839d62f53a6bff7543ada280108bfd4213f8559
[INFO] running `Command { std: "docker" "start" "-a" "3f0e571078d0ffa1f0c4eca14839d62f53a6bff7543ada280108bfd4213f8559", kill_on_drop: false }`
[INFO] [stderr]    Compiling reax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn get(&self) -> Ref<Self::Value>;
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn get(&self) -> Ref<'_, Self::Value>;
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:390:25
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn get_non_reactive(&self) -> Ref<Self::Value>;
[INFO] [stdout]     |                         ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn get_non_reactive(&self) -> Ref<'_, Self::Value>;
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:459:29
[INFO] [stdout]     |
[INFO] [stdout] 459 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 459 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:471:12
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:475:29
[INFO] [stdout]     |
[INFO] [stdout] 475 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 475 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:487:12
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:491:29
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:551:19
[INFO] [stdout]     |
[INFO] [stdout] 551 |     pub fn mutate(&self) -> RefMut<T> {
[INFO] [stdout]     |                   ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 551 |     pub fn mutate(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:566:12
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn get(&self) -> Ref<T> {
[INFO] [stdout]     |            ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn get(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:572:25
[INFO] [stdout]     |
[INFO] [stdout] 572 |     fn get_non_reactive(&self) -> Ref<T> {
[INFO] [stdout]     |                         ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 572 |     fn get_non_reactive(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/idset.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<usize>>> {
[INFO] [stdout]    |                 ^^^^^                            --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<'_, usize>>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/idset.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<usize>> {
[INFO] [stdout]    |                  ^^^^^^^^^          ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<'_, usize>> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     waker: fn(*const ()),
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     finalizer: fn(*const ()),
[INFO] [stdout]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/handler.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stdout]     |                           ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:253:40
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stdout]     |                                        ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn get(&self) -> Ref<C::Value> {
[INFO] [stdout]     |            ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn get(&self) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_non_reactive(&self) -> Ref<C::Value> {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_non_reactive(&self) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "3f0e571078d0ffa1f0c4eca14839d62f53a6bff7543ada280108bfd4213f8559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0e571078d0ffa1f0c4eca14839d62f53a6bff7543ada280108bfd4213f8559", kill_on_drop: false }`
[INFO] [stdout] 3f0e571078d0ffa1f0c4eca14839d62f53a6bff7543ada280108bfd4213f8559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 508e0da8a04400ebc54c86ab1adc034f8f511250c7cc11c45e80e00b5ca52668
[INFO] running `Command { std: "docker" "start" "-a" "508e0da8a04400ebc54c86ab1adc034f8f511250c7cc11c45e80e00b5ca52668", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn get(&self) -> Ref<Self::Value>;
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn get(&self) -> Ref<'_, Self::Value>;
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:390:25
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn get_non_reactive(&self) -> Ref<Self::Value>;
[INFO] [stdout]     |                         ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn get_non_reactive(&self) -> Ref<'_, Self::Value>;
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:459:29
[INFO] [stdout]     |
[INFO] [stdout] 459 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 459 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:471:12
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:475:29
[INFO] [stdout]     |
[INFO] [stdout] 475 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 475 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:487:12
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:491:29
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:551:19
[INFO] [stdout]     |
[INFO] [stdout] 551 |     pub fn mutate(&self) -> RefMut<T> {
[INFO] [stdout]     |                   ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 551 |     pub fn mutate(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:566:12
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn get(&self) -> Ref<T> {
[INFO] [stdout]     |            ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn get(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:572:25
[INFO] [stdout]     |
[INFO] [stdout] 572 |     fn get_non_reactive(&self) -> Ref<T> {
[INFO] [stdout]     |                         ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 572 |     fn get_non_reactive(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/idset.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<usize>>> {
[INFO] [stdout]    |                 ^^^^^                            --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<'_, usize>>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/idset.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<usize>> {
[INFO] [stdout]    |                  ^^^^^^^^^          ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<'_, usize>> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     waker: fn(*const ()),
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     finalizer: fn(*const ()),
[INFO] [stdout]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/handler.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stdout]     |                           ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:253:40
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stdout]     |                                        ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn get(&self) -> Ref<C::Value> {
[INFO] [stdout]     |            ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn get(&self) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_non_reactive(&self) -> Ref<C::Value> {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_non_reactive(&self) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn get(&self) -> Ref<Self::Value>;
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn get(&self) -> Ref<'_, Self::Value>;
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:390:25
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn get_non_reactive(&self) -> Ref<Self::Value>;
[INFO] [stdout]     |                         ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn get_non_reactive(&self) -> Ref<'_, Self::Value>;
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:459:29
[INFO] [stdout]     |
[INFO] [stdout] 459 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 459 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:471:12
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:475:29
[INFO] [stdout]     |
[INFO] [stdout] 475 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 475 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:487:12
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:491:29
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stdout]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:551:19
[INFO] [stdout]     |
[INFO] [stdout] 551 |     pub fn mutate(&self) -> RefMut<T> {
[INFO] [stdout]     |                   ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 551 |     pub fn mutate(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:566:12
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn get(&self) -> Ref<T> {
[INFO] [stdout]     |            ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn get(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:572:25
[INFO] [stdout]     |
[INFO] [stdout] 572 |     fn get_non_reactive(&self) -> Ref<T> {
[INFO] [stdout]     |                         ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 572 |     fn get_non_reactive(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/idset.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<usize>>> {
[INFO] [stdout]    |                 ^^^^^                            --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<'_, usize>>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/idset.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<usize>> {
[INFO] [stdout]    |                  ^^^^^^^^^          ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<'_, usize>> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     waker: fn(*const ()),
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     finalizer: fn(*const ()),
[INFO] [stdout]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/handler.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stdout]     |                           ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:253:40
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stdout]     |                                        ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn get(&self) -> Ref<C::Value> {
[INFO] [stdout]     |            ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn get(&self) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/computed.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_non_reactive(&self) -> Ref<C::Value> {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_non_reactive(&self) -> Ref<'_, C::Value> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "508e0da8a04400ebc54c86ab1adc034f8f511250c7cc11c45e80e00b5ca52668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508e0da8a04400ebc54c86ab1adc034f8f511250c7cc11c45e80e00b5ca52668", kill_on_drop: false }`
[INFO] [stdout] 508e0da8a04400ebc54c86ab1adc034f8f511250c7cc11c45e80e00b5ca52668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05c7a8a81c38cfa251728ecf34e7f97e2aa2397c5d372eb64fa58ee951a6cd10
[INFO] running `Command { std: "docker" "start" "-a" "05c7a8a81c38cfa251728ecf34e7f97e2aa2397c5d372eb64fa58ee951a6cd10", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:385:12
[INFO] [stderr]     |
[INFO] [stderr] 385 |     fn get(&self) -> Ref<Self::Value>;
[INFO] [stderr]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 385 |     fn get(&self) -> Ref<'_, Self::Value>;
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:390:25
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn get_non_reactive(&self) -> Ref<Self::Value>;
[INFO] [stderr]     |                         ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn get_non_reactive(&self) -> Ref<'_, Self::Value>;
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:455:12
[INFO] [stderr]     |
[INFO] [stderr] 455 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stderr]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 455 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:459:29
[INFO] [stderr]     |
[INFO] [stderr] 459 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stderr]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 459 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:471:12
[INFO] [stderr]     |
[INFO] [stderr] 471 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stderr]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 471 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:475:29
[INFO] [stderr]     |
[INFO] [stderr] 475 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stderr]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 475 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:487:12
[INFO] [stderr]     |
[INFO] [stderr] 487 |     fn get(&self) -> Ref<Self::Value> {
[INFO] [stderr]     |            ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 487 |     fn get(&self) -> Ref<'_, Self::Value> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:491:29
[INFO] [stderr]     |
[INFO] [stderr] 491 |     fn get_non_reactive<'a>(&self) -> Ref<Self::Value> {
[INFO] [stderr]     |                             ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 491 |     fn get_non_reactive<'a>(&self) -> Ref<'_, Self::Value> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:551:19
[INFO] [stderr]     |
[INFO] [stderr] 551 |     pub fn mutate(&self) -> RefMut<T> {
[INFO] [stderr]     |                   ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 551 |     pub fn mutate(&self) -> RefMut<'_, T> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:566:12
[INFO] [stderr]     |
[INFO] [stderr] 566 |     fn get(&self) -> Ref<T> {
[INFO] [stderr]     |            ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 566 |     fn get(&self) -> Ref<'_, T> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:572:25
[INFO] [stderr]     |
[INFO] [stderr] 572 |     fn get_non_reactive(&self) -> Ref<T> {
[INFO] [stderr]     |                         ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 572 |     fn get_non_reactive(&self) -> Ref<'_, T> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/idset.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<usize>>> {
[INFO] [stderr]    |                 ^^^^^                            --------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn iter(&self) -> Iter<std::iter::Copied<hash_set::Iter<'_, usize>>> {
[INFO] [stderr]    |                                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/idset.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<usize>> {
[INFO] [stderr]    |                  ^^^^^^^^^          ---------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn drain(&mut self) -> Iter<hash_set::Drain<'_, usize>> {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stderr]    --> src/handler.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     waker: fn(*const ()),
[INFO] [stderr]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stderr]    --> src/handler.rs:194:16
[INFO] [stderr]     |
[INFO] [stderr] 194 |     finalizer: fn(*const ()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stderr]    --> src/handler.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let _ = ManuallyDrop::new(arc.clone());
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/computed.rs:244:27
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stderr]     |                           ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn get_contextual(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/computed.rs:253:40
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<C::Value> {
[INFO] [stderr]     |                                        ^^^^^                           ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn get_contextual_non_reactive(&self, ctx: &mut C::Context) -> Ref<'_, C::Value> {
[INFO] [stderr]     |                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/computed.rs:291:12
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn get(&self) -> Ref<C::Value> {
[INFO] [stderr]     |            ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn get(&self) -> Ref<'_, C::Value> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/computed.rs:295:25
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn get_non_reactive(&self) -> Ref<C::Value> {
[INFO] [stderr]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn get_non_reactive(&self) -> Ref<'_, C::Value> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `reax` (lib) generated 20 warnings
[INFO] [stderr] warning: `reax` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reax-d90046c989050153)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test idset::test_idset_drain ... ok
[INFO] [stdout] test idset::test_idset_insert_remove ... ok
[INFO] [stdout] test idset::test_idset_len ... ok
[INFO] [stdout] test idset::test_idset_contains ... ok
[INFO] [stdout] test idset::test_idset_remove ... ok
[INFO] [stdout] test idset::test_idset_insert ... ok
[INFO] [stdout] test idset::test_idset_remove_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reax
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Var<T>::set (line 518) ... ok
[INFO] [stdout] test src/system.rs - system::ComputationHandle (line 193) ... ok
[INFO] [stdout] test src/lib.rs - EagerCompute<'f,C>::install (line 625) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... FAILED
[INFO] [stdout] test src/lib.rs - Var<T>::mutate (line 544) ... ok
[INFO] [stdout] test src/lib.rs - computed (line 762) ... ok
[INFO] [stdout] test src/lib.rs - EagerCompute<'f,()>::watch (line 734) ... ok
[INFO] [stdout] test src/system.rs - system::Node::computation (line 288) ... ok
[INFO] [stdout] test src/lib.rs - (line 218) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 26) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] digraph {
[INFO] [stdout] 1 [label=1, color=red];
[INFO] [stdout] 0 [label=0, color=red];
[INFO] [stdout] 3 [label=3, color=black];
[INFO] [stdout] 2 [label=2, color=black];
[INFO] [stdout] 1 -> 3;
[INFO] [stdout] 2 -> 3;
[INFO] [stdout] 0 -> 2;
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:41:3:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57f6d32d28a2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57f6d32d28a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57f6d32d28a2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57f6d32d28a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57f6d32ee7a3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57f6d32ee7a3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x57f6d32d04e3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57f6d32d04e3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57f6d32d26f2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57f6d32d3766 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x57f6d32d3569 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x57f6d32d4032 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x57f6d32d3eca - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x57f6d32d2d99 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x57f6d32d3b5d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x57f6d32eda60 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x57f6d32ede06 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x57f6d32aca06 - rust_out::main::_doctest_main_src_lib_rs_26_0::h6494a9c890b4e6c3
[INFO] [stdout]   18:     0x57f6d32ac286 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x57f6d32a5ce3 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x57f6d32a55e6 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x57f6d32a5169 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x57f6d32cdb50 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x57f6d32cdb50 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x57f6d32cdb50 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x57f6d32cdb50 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x57f6d32cdb50 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x57f6d32cdb50 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x57f6d32cdb50 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x57f6d32cdb50 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x57f6d32cdb50 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x57f6d32a5151 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x57f6d32acd65 - main
[INFO] [stdout]   33:     0x7618506d11ca - <unknown>
[INFO] [stdout]   34:     0x7618506d128b - __libc_start_main
[INFO] [stdout]   35:     0x57f6d32a3c45 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 26)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "05c7a8a81c38cfa251728ecf34e7f97e2aa2397c5d372eb64fa58ee951a6cd10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c7a8a81c38cfa251728ecf34e7f97e2aa2397c5d372eb64fa58ee951a6cd10", kill_on_drop: false }`
[INFO] [stdout] 05c7a8a81c38cfa251728ecf34e7f97e2aa2397c5d372eb64fa58ee951a6cd10
